20501272

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21179}}^1$

素因数の和:21207

約数の個数: 24

約数和(自身を含む): 42254100

約数和(自身を除く): 21752828

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21179, 42358, 84716, 169432, 232969, 465938, 931876, 1863752, 2562659, 5125318, 10250636, 20501272]

約数ペア:

[(1, 20501272), (2, 10250636), (4, 5125318), (8, 2562659), (11, 1863752), (22, 931876), (44, 465938), (88, 232969), (121, 169432), (242, 84716), (484, 42358), (968, 21179)]